AirHint found the following cheapest return flights from Tokyo (TYO) to London (LHR) in December 2025 (see full year).

Return flights

30 Dec - 12 Jan	Shenzhen Airlines
31 Dec - 14 Jan	China Eastern
30 Dec - 27 Jan	Shenzhen Airlines
31 Dec - 05 Jan	Asiana Airlines
31 Dec - 07 Jan	Asiana Airlines
31 Dec - 06 Jan	Asiana Airlines
30 Dec - 10 Jan	Shenzhen Airlines
30 Dec - 31 Dec	China Eastern
31 Dec - 04 Jan	LOT
31 Dec - 03 Jan	Asiana Airlines
30 Dec - 01 Jan	SriLankan Airlines
30 Dec - 31 Dec	ANA	direct

Also check the deals for one-way flights from Tokyo to London in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Tokyo to London in December from 781€

Return flights